Home / 51,577.49-71,181.98-28,916.52

Finding the Fourth Proportional to 51,577.49, 71,181.98 and 28,916.52

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Solution

The fourth proportional to 51,577.49, 71,181.98 and 28,916.52 is: 39,907.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,577.49 : 71,181.98 = 28,916.52 : x
  2. Step 2: Convert to fraction form
    51,577.49/71,181.98 = 28,916.52/x
  3. Step 3: Cross multiply
    51,577.49x = 71,181.98 × 28,916.52
  4. Step 4: Simplify right side
    51,577.49x = 2,058,335,148.31
  5. Step 5: Solve for x
    x = 2,058,335,148.31/51,577.49
  6. Step 6: Final answer
    x = 39,907.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.